Post your name -a and I will look what I can do. Unfortunately, some essential memory management functionality is missing in older kernels, so I decided to drop that part of support because of they are very rare nowadays and supporting them is not worth the efforts.
Also post your exact distro identification, maybe we can find a way.
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2.6.9_5-9-0-0 #1 SMP Wed Jun 23 14:03:19 CST 2010 x86_64 x86_64 x86_64 GNU/Linux
Red Hat Enterprise Linux AS release 4 (Nahant Update 3)
/proc/cpuinfo:
processor : 11
vendor_id : GenuineIntel
cpu family : 6
model : 12
model name : Intel(R) Xeon(R) CPU E5645 @ 2.40GHz
stepping : 2
cpu MHz : 2400.180
cache size : 256 KB
physical id : 1
siblings : 16
core id : 26
cpu cores : 16
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl est tm2 cx16 xtpr
bogomips : 4800.22
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
if you could help me , thanks very much !